505502605 has 32 divisors (see below), whose sum is σ = 637694208. Its totient is φ = 384384000.

The previous prime is 505502603. The next prime is 505502611. The reversal of 505502605 is 506205505.

It is not a de Polignac number, because 505502605 - 2¹ = 505502603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505502603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260405 + ... + 1260805.

It is an arithmetic number, because the mean of its divisors is an integer number (19927944).

Almost surely, 2^505502605 is an apocalyptic number.

It is an amenable number.

505502605 is a deficient number, since it is larger than the sum of its proper divisors (132191603).

505502605 is a wasteful number, since it uses less digits than its factorization.

505502605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 505502605 is about 22483.3850876597. The cubic root of 505502605 is about 796.6015234943.

The spelling of 505502605 in words is "five hundred five million, five hundred two thousand, six hundred five".